Round to the indicated place value.Round to the nearest whole number: 39.3

A. 38
B. 39
C. 40


Answer: B

Mathematics

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Which school task most closely reflects frequentist probability?

a. Computing the exact probability of obtaining "heads" on each of two coins flipped simultaneously. b. Estimating the probability of obtaining "heads" on each of two coins flipped simultaneously by doing many flips. c. Estimating the probability that a baseball team will win their first game of the season. d. Engaging in an inquiry-oriented curriculum where students are frequently assigned probability exercises.

Mathematics

Write the quotient in the standard form.

A. -i B. i C. 1 D. -1

Mathematics

Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution. 6x - 4y - 7z = -45 3x + 3y + 4z = 70 7x - 3y + 2z = 32

A. {(6, -8, -7)} B. {(8, 7, 8)} C. {(7, 6, 7)} D. {(6, 8, 7)}

Mathematics

Find the inverse of the matrix, if possible.

A.

B.

C.

D.

Mathematics